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Finding the Fourth Proportional to 402,582.07, 555,509.52 and 249,564.52

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Solution

The fourth proportional to 402,582.07, 555,509.52 and 249,564.52 is: 344,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,582.07 : 555,509.52 = 249,564.52 : x
  2. Step 2: Convert to fraction form
    402,582.07/555,509.52 = 249,564.52/x
  3. Step 3: Cross multiply
    402,582.07x = 555,509.52 × 249,564.52
  4. Step 4: Simplify right side
    402,582.07x = 138,635,465,144.35
  5. Step 5: Solve for x
    x = 138,635,465,144.35/402,582.07
  6. Step 6: Final answer
    x = 344,365.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.